Chart correction N31/20 — chart 25018
25018 9Ed. 7/28/01 LAST NM N27/20 N31/20 Add Depth 7 fathoms 2 feet 18°36.4′N 64°09.4′W and extend depth contour (10-fathom) and blue tint E to enclose (10(97)20 Den Haag)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 7/28/01
Reference information — always verify against official Notices to Mariners before navigation.